ASE Labs posted a review on the Sapphire Radeon HD 3870 Ultimate

While the next generation of graphics cards from ATI are just around the corner, you can get some amazing performance with full open source support for a great price. Some of the readers might also be looking for a silent solution while having good performance and the Sapphire Radeon HD 3870 Ultimate steps up to provide that. It combines a truly massive heatsink with the powerful 3870 GPU to create a fast and completely silent graphics card for your quiet PC.

Sapphire Radeon HD 3870 Ultimate Review